Let x =(5sqrt2+7)^19, then x{x} is equ...

Let `x =(5sqrt2+7)^19`, then `x{x}` is equal to (Where {.} denotes fractional part of x)

A

`2^19`

B

`3^19`

C

`0`

D

`1`

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The correct Answer is:

D

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